Fetal doppler bf-500d+ tft

Product Description

Features: Pocket Fetal Doppler mainly applies to detect the fetal heartbeat rate from the twelfth week; LCD can display FHR, synchronous FHR signal, battery indicator, volume of sound and alarm indicator accurately; Built-in rechargeable battery can work continuously more than 5 hours; TFT LCD display for use conveniently at night; Automatic power off ( one minute), self-detect function, and alarm function when FHR is out of the normal range or battery power is in shortage; Only 270g, can be carried conveniently with a gallus; Built-in speaker and collocated with earphone jack; 2.0MHz probe. Specifications: Executive Standard: EN61266:1995 Ultrasonic frequency: 2.0MHz±10% Ultrasonic intensity: =10mW/cm2 Comprehensive Sensitivity: =90dB FHR range: 60--210bpm(±2bpm) FHR alarm range: =100bpm or =160bpm Isptp: =0.1MPa Battery: 9V dry battery (optional for 9VNi-MH rechargeable batteries and charger) Maximum audio output intensity: =1W Doppler frequency: 100--3000Hz Static continuous working time: =2h Automatic Dormancy time limit:1 minute Working temperature: 10-40? Humidity: =80% Atmospheric pressure: 86--106kPa

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